CIK 0001659617 · Non-accelerated filer<br>Smaller reporting company
Moleculin Biotech, Inc.
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- MBRX
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 474671997
- Phone
- 713-300-5160
- Business address
- 5300 MEMORIAL DRIVE, SUITE 950, HOUSTON, TX, 77007
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 32 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-03 | Foster Jonathan P. Chief Financial Officer | Purchase | +293,333 | 305,673 | ||
| 2026-08-03 | Foster Jonathan P. Chief Financial Officer | Purchase · Series I Warrants | +879,999 | 1,027,717 | ||
| 2026-08-03 | KLEMP WALTER V CEO and President | Purchase | +533,333 | 564,340 | ||
| 2026-08-03 | KLEMP WALTER V CEO and President | Grant or award · Series I Warrants | +1,599,999 | 1,926,335 | ||
| 2026-08-03 | PICKER DONALD H Chief Science Officer | Purchase | +173,333 | 174,086 | ||
| 2026-08-03 | PICKER DONALD H Chief Science Officer | Purchase · Series I Warrants | +519,999 | 539,595 | ||
| 2026-06-22 | PICKER DONALD H Chief Science Officer | Option exercise | +71 | 774 | ||
| 2026-06-22 | PICKER DONALD H Chief Science Officer | Shares withheld for taxes | −21 | $3.12 | $66 | 753 |
| 2026-06-22 | PICKER DONALD H Chief Science Officer | Option exercise · Restricted Stock Units | −71 | 19,596 | ||
| 2026-06-22 | KLEMP WALTER V CEO and President | Option exercise | +360 | 31,088 | ||
| 2026-06-22 | KLEMP WALTER V CEO and President | Shares withheld for taxes | −88 | $3.12 | $275 | 31,007 |
| 2026-06-22 | KLEMP WALTER V CEO and President | Option exercise · Restricted Stock Units | −360 | 326,336 | ||
| 2026-06-22 | Foster Jonathan P. Chief Financial Officer | Option exercise | +174 | 12,381 | ||
| 2026-06-22 | Foster Jonathan P. Chief Financial Officer | Shares withheld for taxes | −41 | $3.12 | $128 | 12,340 |
| 2026-06-22 | Foster Jonathan P. Chief Financial Officer | Option exercise · Restricted Stock Units | −174 | 147,718 | ||
| 2026-06-20 | PICKER DONALD H Chief Science Officer | Option exercise | +44 | 716 | ||
| 2026-06-20 | PICKER DONALD H Chief Science Officer | Shares withheld for taxes | −13 | $2.88 | $37 | 703 |
| 2026-06-20 | PICKER DONALD H Chief Science Officer | Option exercise · Restricted Stock Units | −44 | 19,667 | ||
| 2026-06-20 | KLEMP WALTER V CEO and President | Option exercise | +150 | 30,765 | ||
| 2026-06-20 | KLEMP WALTER V CEO and President | Shares withheld for taxes | −37 | $2.88 | $107 | 30,728 |
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